MATHEMATICS HIGH SCHOOL

3. What is the slope and the y-intercept ofthe line represented by equation:
2x + y = 1?
Explanation:

Answers

Answer 1
Answer:

Answer:

The slope is -2/1 or simplified -2 and the y-intercept is 1

Step-by-step explanation:

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13 is 26% of what number
1) Solve by using the perfect squares method. x2 + 8x + 16 = 0 2) Solve. x2 – 5x – 6 = 0 3) What value should be added to the expression to create a perfect square? x2 – 20x 4) Solve. x2 + 8x – 8 = 0 5) Solve: 2x2 + 12x = 0 6) Solve each problem by using the quadratic formula. Write solutions in simplest radical form. 2x2 – 2x – 1 = 0 7) Calculate the discriminant. x2 – x + 2 = 0 8) Calculate the discriminant and use it to determine how many real-number roots the equation has. 3x2 – 6x + 1 = 0 9) Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether its vertex lies above, on, or below the x-axis. y = 2x2 + x – 3 10) Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether its vertex lies above, on, or below the x-axis. y = x2 – 12x + 12

What is the average per day?

Answers

To get the average in this case, divide 30 by 5:

30 hrs ÷ 5 days = 6 hrs/day
To get averages you have to divide the total number of units by the period of time/how many things there are. So in this case you divide 30 by 5 and get 6

What is the smallest number that can be subtracted from 376234 to make it divisible by 11​

Answers

Answer:

Odd:: 8+7+9=24

Even:: 2+8=10

So difference of odd and even is 24-10=14

Reducing 3 from this will make the difference (14–3) divisible by 11.

So the number to be subtracted is 3

And the number is 82786.

Step-by-step explanation:

Answer:

1

Step-by-step explanation:

If you subtract the number by 1 i.e. 376233 it will be exactly divisible by 11.

What is the intersection of plane TUYX and plane VUYZ? (Image below. Multiple Choice)

Answers

Answer:

B) UY

Step-by-step explanation:

From the given figure, TUYX is one of the side of the rectangular prism and UVYZ  is another side of the rectangular prism.

The both sides are intersecting perpendicular in one edge, that is the line segment UY.

You can see it on the figure.

Therefore, the intersecting line is UY.

Answer: B) UY

Step-by-step explanation:

Look at the function f(x) = −x + 5. Which of the following describes the domain and range of the function and its inverse?

Answers

Answer:

The inverse is g(x)=-x+5.

Both f and g have domain and range all real numbers.

In interval notation that is (-\infty,\infty)

Step-by-step explanation:

f(x)=-x+5 is a linear function.

Since isn't f(x)=constant then it is diagonal so this means the range is all real numbers.

For any linear function, the domain will be all real numbers.  

So to find the inverse of y=-x+5, you interchange x and y and resolve for y.

y=-x+5

(interchange)

x=-y+5

(solve for y)

Subtract 5 on both sides:

x-5=-y

Multiplying both sides by -1:

-x+5=y

So the inverse is g(x)=-x+5. To find find the domain and range of the inverse function given you already did it for the original function, the sets are swapped.  The sets were the same here because they were both all real numbers.

Answer:

Domain of this function become R

Step-by-step explanation:

What is a fraction for 2.43?

Answers

2.43
= 2+ 0.43
= 2+ 43/100
= 200/100+ 43/100
= 243/100

The final answer is 243/100~
.43 = 43/100
So it is 2 43/100
If you want an improper fraction, it is 243/100

Mrs. Ramiriz is making pies to sell at the local farmer’s market. It costs her $5 to make each pie, plus a one-time cost of $30 for baking supplies. She plans to sell the pies for $12 each. Which equation can be used to find the number of pies she needs to sell to break even?

Answers

We can represent the number of pies she makes to be x. We also need to add $30 to the equation to take the baking supply cost into consideration. The Cost can be represented by C. C = 5x + 30 is the equation to use to determine the Cost! 5 times the number of pies she makes plus the $30 for baking supplies! If we look at just the cost when she doesn't sell any pies, we can say x = 0 That means C = 5(0) + 30 or C = 30, it means that she has to pay $30 or the Cost is $30 when she sells no pies. This makes sense since the baking supplies were $30. Are you with me so far?
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